<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%>
<!DOCTYPE html >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>  
     <h3 style='color:red'>${errorMsg }</h3>
     <form action="${pageContext.request.contextPath }/user/login" method="POST">
          用户名:<input name="username"/> <br/>
          密码:<input type="password" name="password"/> <br/>
        <input  type="submit" value="登录"/>
     </form>
</body>
</html>